namespace local = ""
namespace inh = inherit

element library
{
   element book
   {
      attribute id { text },
      attribute available { text },
      element isbn { text },
      element title { attribute xml:lang { text }, text },
      element author
      {
         attribute id { text },
         element name { text },
         element born { text },
         element dead { text }?
      }*,
      element character
      {
         attribute id { text },
         element name { text },
         element born { text },
         element qualification { text }
      }*
   }+
}
